I got this sim for free and I don't need it. It's Terry's sim. Eliminates annoying check engine lights and limps associated with high flow downpipes. Installs in the ECU area and works with all piggybacks. It is the BMS Downpipe Fix that is sold online for $119.
Asking price $50 + shipping.

I got this sim for free and I don't need it. It's Terry's sim. Eliminates annoying check engine lights and limps associated with high flow downpipes. Installs in the ECU area and works with all piggybacks. It is the BMS Downpipe Fix that is sold online for $119.
Asking price $50 + shipping.